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Eva8 [605]
2 years ago
7

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Mathematics
1 answer:
alexgriva [62]2 years ago
4 0

Answer:

Answer for 4th question

b = 7

Answer for 5th question

area= 99sq.in

Step-by-step explanation:

4. area of parallelogram= base × height

28= b × 4

b= 28/4

b = 7

5. area of parallelogram= base × height

area= 9 × 11

area= 9 sq.in

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Simplify the following<br>a) 5(3a - 45<br>b) 4(a + 2b - 1<br>​
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Step-by-step explanation:

I hope that is useful for you :)

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3 years ago
9 The circumference of circle B is 90% of the circumference of circle A. (a) Find the ratio of the area of circle A to the area
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If the circles circumference is 90% of another circles then the ratio would be 10:9, Circle A would be 10 and Circle be would be 9
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yesterday were 1743 people visited the flea market. today 576 people more thant yesterday. how many peolpe today are in the flea
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3 years ago
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20 points PLEASE HELP IT'S DUE TODAY
Afina-wow [57]

Answer:

Step-by-step explanation:

Arc length of the circle is given by,

Arc length = \frac{\theta}{360^{\circ}}(2\pi r)

Area of the sector of a circle = \frac{\theta}{360^{\circ}}(2\pi r)

22). Arc length of the circle having central angle = \frac{\pi}{3}

                                                                                 = 60°

Arc length = \frac{60^{\circ}}{360^{\circ}}(2\pi )(7)

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23). Arc length of the circle having central angle = 225°

Arc length = \frac{225^{\circ}}{360^{\circ}}(2\pi )(10)

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24). Central angle = \frac{5\pi }{4}

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Area of the sector = \frac{225^{\circ}}{360^{\circ}}(2\pi )(11)

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25). Area of the sector = \frac{270^{\circ}}{360^{\circ}}(2\pi )(14)

                                      = 65.97 yd²

5 0
3 years ago
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